Home / 3,574.28-5,360.61-1,265.78

Finding the Fourth Proportional to 3,574.28, 5,360.61 and 1,265.78

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Solution

The fourth proportional to 3,574.28, 5,360.61 and 1,265.78 is: 1,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.28 : 5,360.61 = 1,265.78 : x
  2. Step 2: Convert to fraction form
    3,574.28/5,360.61 = 1,265.78/x
  3. Step 3: Cross multiply
    3,574.28x = 5,360.61 × 1,265.78
  4. Step 4: Simplify right side
    3,574.28x = 6,785,352.93
  5. Step 5: Solve for x
    x = 6,785,352.93/3,574.28
  6. Step 6: Final answer
    x = 1,898.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.